ve.html
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
#map {
width: 100%;
height: 512px;
border: 1px solid black;
}
</style>
<script src='http://dev.virtualearth.net/mapcontrol/v3/mapcontrol.js'></script>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
<!--
var lon = 5;
var lat = 40;
var zoom = 15;
var map, velayer, layer;
function init(){
map = new OpenLayers.Map( 'map' ,
{controls:[new OpenLayers.Control.MouseDefaults()]});
velayer = new OpenLayers.Layer.VirtualEarth( "VE",
{ minZoomLevel: 4, maxZoomLevel: 6, 'type': VEMapStyle.Aerial});
map.addLayer(velayer);
var twms = new OpenLayers.Layer.WMS( "World Map",
"http://world.freemap.in/cgi-bin/mapserv?",
{ map: '/www/freemap.in/world/map/factbooktrans.map',
transparent:'true',
layers: 'factbook',
'format':'png'} );
map.addLayer(twms);
markers = new OpenLayers.Layer.Markers("markers");
map.addLayer(markers);
map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
map.addControl( new OpenLayers.Control.LayerSwitcher() );
map.addControl( new OpenLayers.Control.PanZoomBar() );
}
function add() {
marker = new OpenLayers.Marker(new OpenLayers.LonLat(2, 41));
markers.addMarker(marker);
}
function remove() {
markers.removeMarker(marker);
}
// -->
</script>
</head>
<body onload="init()">
<h1>OpenLayers VE Example</h1>
<div id="map"></div>
<div style="background-color:green" onclick="add()"> click to add the marker to the map</div>
<div style="background-color:red" onclick="remove()"> click to remove the marker from the map</div>
</body>
</html>